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| 型号： | ACS712ELCTR-20A-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 11/15页 |
| 文件大小： | 0K |
| 描述： | SENSOR CURRENT 20A 5V BI 8-SOIC |
| 特色产品： | Allegro? ACS712 Current Sensor IC |
| 标准包装： | 1 |
| 电流 - 感应： | ±20A |
| 精确度： | ±1.5% |
| 灵敏度： | 96 ~ 104 mV/A |
| 电流 - 电源： | 10mA |
| 传感器类型： | 霍尔效应 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 输出： | 2.5V |
| 频率： | 80kHz |
| 响应时间： | 5µs |
| 电极标记： | 双向 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1190-6 |
ACS712
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Chopper Stabilization Technique
Chopper Stabilization is an innovative circuit technique that is
used to minimize the offset voltage of a Hall element and an asso-
ciated on-chip amplifier. Allegro patented a Chopper Stabiliza-
tion technique that nearly eliminates Hall IC output drift induced
by temperature or package stress effects. This offset reduction
technique is based on a signal modulation-demodulation process.
Modulation is used to separate the undesired DC offset signal
from the magnetically induced signal in the frequency domain.
Then, using a low-pass filter, the modulated DC offset is sup-
pressed while the magnetically induced signal passes through
the filter. As a result of this chopper stabilization approach, the
output voltage from the Hall IC is desensitized to the effects
of temperature and mechanical stress. This technique produces
devices that have an extremely stable Electrical Offset Voltage,
are immune to thermal stress, and have precise recoverability
after temperature cycling.
This technique is made possible through the use of a BiCMOS
process that allows the use of low-offset and low-noise amplifiers
in combination with high-density logic integration and sample
and hold circuits.
Regulator
Clock/Logic
Hall Element
Amp
Concept of Chopper Stabilization Technique
Low-Pass
Filter
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ACS712ELCTR-30A-T | 功能描述:SENSOR CURRENT 30A 5V BI 8-SOIC RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
| ACS712ELCTR-30A-T | 制造商:Allegro MicroSystems 功能描述:Hall Effect-Based Linear Current Sensor |
| ACS713 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor |
| ACS713_1 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Fully Integrated, Hall Effect-Based Linear Current Sensor with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor |
| ACS713ELCTR-20A-T | 功能描述:SENSOR CURRENT 20A 5V UNI 8-SOIC RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
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